Star Trek Episode Guide

Season 2

Amok Time

S2 E1 ● 1967-Sep-15
When Spock begins to exhibit strange, erratic behavior, Kirk asks McCoy to conduct a medical examination. McCoy concludes that Spock is experiencing a potentially lethal internal distress. Spock expla

Who Mourns for Adonais?

S2 E2 ● 1967-Sep-22
As the U.S.S. Enterprise nears the planet Pollux IV, a huge, green hand made of energy materializes in space, catching the Enterprise and holding it captive. Kirk and a landing party ar

The Changeling

S2 E3 ● 1967-Sep-29
The U.S.S. Enterprise is sent to investigate the destruction of the Malurian system and its four billion inhabitants. When it arrives at the coordinates, the starship itself is threatened by a

Mirror, Mirror

S2 E4 ● 1967-Oct-06
Caught in the beginnings of an ion storm, Kirk, McCoy and Uhura interrupt their negotiations with the Halkans for dilithium crystals, to return to the U.S.S. Enterprise. Scotty beams the landin

The Apple

S2 E5 ● 1967-Oct-13
When a landing party beams down to the planet Gamma Trianguli VI, they find what appears to be an idyllic paradise. They quickly discover, however, that the planet is deadly, sporting plants that shoo

The Doomsday Machine

S2 E6 ● 1967-Oct-20
Sent to investigate the destruction of several planetary systems, the U.S.S. Enterprise discovers the U.S.S. Constellation adrift in space. The only survivor, Commodore Matt Decker, info


S2 E7 ● 1967-Oct-27
When one member of the Pyris VII landing party returns to the ship dead, Kirk, Spock and McCoy beam down to find a house of horrors, and Scotty and Sulu transformed into mindless zombies. Two beings k

I, Mudd

S2 E8 ● 1967-Nov-03
Norman, an android pretending to be a member of the U.S.S. Enterprise crew, takes control of the starship and her crew, taking them to an unnamed planet where Kirk discovers an old nemesis, Har


S2 E9 ● 1967-Nov-10
Assistant Federation Commissioner Nancy Hedford has become ill while trying to stop a war on Epsilon Canaris III. The shuttlecraft Galileo is assigned to take her to the U.S.S. Enterprise

Journey to Babel

S2 E10 ● 1967-Nov-17
The U.S.S. Enterprise is appointed to transport ambassadors from many worlds to the Babel Conferences. Among those aboard are Spock's parents: Ambassador Sarek of Vulcan and his human wife, Am

Friday's Child

S2 E11 ● 1967-Dec-01
Sent to the planet Capella IV to negotiate a mining treaty with the warlike and tradition-bound people, Kirk and a party beam to the surface. Kirk finds that Klingon agent Kras has also arrived to neg

The Deadly Years

S2 E12 ● 1967-Dec-08
On the way to Starbase 10, the U.S.S. Enterprise stops to deliver supplies to the 6 colonists of Gamma Hydra IV. A landing party consisting of Kirk, Spock, McCoy, Scott, Galway and Chekov beams


S2 E13 ● 1967-Dec-15
Eleven years ago, the U.S.S. Farragut encountered a deadly cloud creature with vampire-like tendencies. James T. Kirk was on board the Farragut at that time as they entered the region of Tycho

Wolf in The Fold

S2 E14 ● 1967-Dec-22
Kirk and McCoy decide to take Scotty, who is recovering from a head wound accidentally caused by a female crew member, to a nightclub on the planet Argelius II. Scotty becomes infatuated with a lovely

The Trouble With Tribbles

S2 E15 ● 1967-Dec-29
When the U.S.S. Enterprise receives a top-priority order to protect a shipment of quadrotriticale grain on Deep Space Station K-7, Kirk is irritated to be guarding a shipment of "wheat." With K

The Gamesters of Triskelion

S2 E16 ● 1968-Jan-05
During a routine transport to planet Gamma II, Captain Kirk, Lieutenant Uhura and Ensign Chekov are intercepted and abducted by a powerful and distant transporter beam. Arriving flat on their backs on

A Piece of the Action

S2 E17 ● 1968-Jan-12
Over 100 years ago, before the Federation directive of non-interference, the U.S.S. Horizon visited the planet Iotia and reported its inhabitants as being extremely bright and imitative humanoi

The Immunity Syndrome

S2 E18 ● 1968-Jan-19
The Enterprise receives a priority message from Starfleet with orders to assist the U.S.S. Intrepid in a rescue operation in system Gamma 7A. Suddenly, Spock shudders with pain and repor

A Private Little War

S2 E19 ● 1968-Feb-02
Captain Kirk leads a survey mission to a peaceful, primitive planet which he visited 13 years before as a lieutenant. He is dismayed to see a group of villagers armed with flintlock firearms, weapons

Return to Tomorrow

S2 E20 ● 1968-Feb-09
The U.S.S. Enterprise tracks a mysterious SOS to an ancient planet presumed long dead. The crew hears a voice from a telepathic being named Sargon, who asks Kirk to beam down to the surface. Th

Patterns of Force

S2 E21 ● 1968-Feb-16
The Enterprise is sent to planet Ekos to investigate a disappearance of Federation historian John Gill. The Enterprise is attacked by an armed probe with a thermonuclear warhead, technol

By Any Other Name

S2 E22 ● 1968-Feb-23
When the U.S.S. Enterprise answers a distress call from a small planet, the landing party is captured by a group of agents from the Kelvan empire, whose purpose is to find planets suitable for

The Omega Glory

S2 E23 ● 1968-Mar-01
The U.S.S. Enterprise finds a crewless starship, the U.S.S. Exeter, in orbit around the planet Omega IV. The boarding party from the U.S.S. Enterprise contracts a virus that may h

The Ultimate Computer

S2 E24 ● 1968-Mar-08
The U.S.S. Enterprise is chosen to be the test ship for the new M-5 multitronic computer system, a computer meant to be able to run a starship without human intervention. Also aboard for the te

Bread and Circuses

S2 E25 ● 1968-Mar-15
The U.S.S. Enterprise finds the wreckage of the S.S. Beagle, with no survivors, orbiting near the Planet 892-IV. When Kirk, Spock, and McCoy beam to the planet's surface, they are captur

Assignment: Earth

S2 E26 ● 1968-Mar-29
The Enterprise is sent back in time to 1968 to study Earth. While in orbit, the ship inadvertently beams aboard a space traveler, Gary Seven, along with his black cat, Isis. Seven claims to be